Patents by Inventor Ann Wilson

Ann Wilson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for processing high silver bromide color negative photographic films using a peroxide bleaching composition
    Patent number: 5763147
    Abstract: A simple and effective peroxide bleaching method includes the use of a bleaching solution including a peroxide bleaching agent and chloride ion in an amount of at least 0.35 mol/l. An organic phosphonic acid or tertiary aminocarboxylic acid can also be present for stability. The method is useful for bleaching high silver bromide color negative photographic films containing at least 80 mol % silver bromide and from 0.5 to 5 mol % silver iodide in at least one silver halide emulsion.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: June 9, 1998
    Assignee: Eastman Kodak Company
    Inventors: Shirleyanne Elizabeth Haye, Cheryl Ann Wilson-Bonner, Karen Ruth Ballou